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