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