One vertex per element, one color per generator, with an edge from x to x·s.
(1,2,5,8)(3,7,4,6)(9,10,13,12)(11,14,16,15)(17,18,24,29)(19,25,30,26)(20,31,21,32)(22,28,23,27)(1,3,5,4)(2,6,8,7)(9,11)(10,14)(12,15)(13,16)(17,19)(18,25)(20,23)(21,22)(24,30)(26,29)(27,31)(28,32)(1,3,5,4)(2,7,8,6)(9,12,13,10)(11,15,16,14)(17,20,23,19,24,21,22,30)(18,26,28,32,29,25,27,31)(1,3,5,4)(2,7,8,6)(11,16)(14,15)(17,21,22,19,24,20,23,30)(18,25,27,32,29,26,28,31)(1,4,5,3)(2,7,8,6)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.