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