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