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