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