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