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