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