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)(17,18,24,19)(20,28,32,29)(21,23,27,22)(25,30,26,31)(2,6)(7,8)(9,10)(11,14)(12,13)(15,16)(17,19,24,18)(20,29,32,28)(21,22,27,23)(25,31,26,30)(1,3,5,4)(2,7,6,8)(10,13)(14,15)(17,20,22,30,24,32,23,31)(18,25,27,29,19,26,21,28)(9,11,12,16)(10,14,13,15)(17,21,23,19,24,27,22,18)(20,29,31,25,32,28,30,26)(1,4,5,3)(2,7,6,8)(17,22,24,23)(18,21,19,27)(20,30,32,31)(25,28,26,29)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.