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