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