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