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)(11,12)(13,16)(14,15)(18,22)(19,24)(25,26)(27,29)(28,30)(31,32)(1,3,6,4)(2,7,5,8)(10,15)(11,13)(26,27)(28,32)(1,3,6,4)(2,8,5,7)(9,11,14,13)(10,12,15,16)(17,18,21,22)(19,23,24,20)(25,27,29,26)(28,31,32,30)(1,4,6,3)(2,7,5,8)(9,12,14,16)(10,11,15,13)(17,19)(18,23)(20,22)(21,24)(1,5,6,2)(3,7,4,8)(9,13,14,11)(10,16,15,12)(17,20,21,23)(18,19,22,24)(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.