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