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