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