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