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