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