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