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