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