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