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