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