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