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