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