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