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