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)(17,18,24,28)(19,23,27,22)(20,25,21,31)(26,30,32,29)(1,2,3,4)(9,11)(10,13)(12,15)(14,16)(17,19,22,18,24,27,23,28)(20,26,29,25,21,32,30,31)(5,6,7,8)(11,15)(13,16)(17,20,24,21)(18,25,28,31)(19,26,27,32)(22,29,23,30)(2,4)(17,21,24,20)(18,26,28,32)(19,25,27,31)(22,29,23,30)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.