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