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