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