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