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