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