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