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