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