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