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