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