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