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