One vertex per element, one color per generator, with an edge from x to x·s.
(1,2,5,6)(3,7,8,4)(9,10,14,12)(11,15,13,16)(17,18,21,24)(19,20,23,22)(25,26,28,30)(27,31,32,29)(2,6)(3,8)(9,11,14,13)(10,15,12,16)(19,23)(20,22)(1,3)(2,4)(5,8)(6,7)(9,11,14,13)(10,16,12,15)(17,19,21,23)(18,22,24,20)(1,3)(2,7)(4,6)(5,8)(9,12,14,10)(11,15,13,16)(17,20,21,22)(18,23,24,19)(25,27,28,32)(26,29,30,31)(1,4,5,7)(2,8,6,3)(9,13,14,11)(10,15,12,16)(17,18)(19,22)(20,23)(21,24)A Cayley diagram is a choice, not a fact about the group. Another drawing of this group — in a book, or on a different generating set — may look nothing like this one.