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