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