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