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