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