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