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