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