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