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