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