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