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