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