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