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