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