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