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