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