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