I'm one of the guitarists in this band, so trust me, all this is right....
Tuning: normal E

riff 1:
-----------------------------------------------------------------------------------
-----------------------------------------------------------------------------------
-----------------------------------------------------------------------------------
-----6---6---6---6---4---4---4---4-------------------------------------------------
---4---4---4---4---2---2---2---2-----4---4---4---4---7---7--6---6------------------
-----------------------------------2---2---2---2---5--5---4---4--------------------

riff 2:
-----------------------------------------------------------------------------------
-----------------------------------------------------------------------------------
---6-6-6-6-6-6-6-6--4-4-4-4-4-4-4-4------------------------------------------------
---6-6-6-6-6-6-6-6--4-4-4-4-4-4-4-4--4-4-4-4-4-4-4-4--7-7-7-7--6-6-6-6-------------
---4-4-4-4-4-4-4-4--2-2-2-2-2-2-2-2--4-4-4-4-4-4-4-4--7-7-7-7--6-6-6-6-------------
-------------------------------------2-2-2-2-2-2-2-2--5-5-5-5--4-4-4-4-------------

riff 3:
-----------------------------------------------------------------------------------
-----------------------------------------------------------------------------------
---6-------4------------------------------------------------------------------------
---6-------4-------4--------7---6--------------------------------------------------
---4-------2-------4--------7---6--------------------------------------------------
-------------------2--------5---4--------------------------------------------------

riff 4: 
-----------------------------------------------------------------------------------
-----------------------------------------------------------------------------------
---6---------------4---------------------------------------------------------------
---6-6---6---6---6-4-6---6---6---6-4---------------7---------6--------------------
---4---4---4---4---2---2---2---2---4-4---4---4---4-7---7---7-6-6---6---6---6-------
-----------------------------------2---2---2---2---5-5---5---4---4---4---4---------

order of riffs to make song:
riff 1
riff 2
riif 2 x2 (listen to song for rythem)
riff 1 x2
riff 2 x2
riff 1 x2
riff 2 x2
riff 3 x2
riff 2 x2
riff 4 x2 

the song ends with a strum of the B power chord: 
-----------------
-----------------
---6-------------
---6-------------
---4-------------
-----------------
the song ends with this chord fading out.