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