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