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