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