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