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