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