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