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