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