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