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