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