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