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