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