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