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