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)(19,23)(20,29)(21,26)(22,25)(24,28)(27,32)(30,31)(2,5)(6,8)(9,10,12,13)(11,14,15,16)(17,19,21,22)(18,23,26,25)(20,28,30,27)(24,31,32,29)(3,7)(6,8)(10,13)(14,16)(17,20)(18,24)(19,27)(21,30)(22,28)(23,29)(25,31)(26,32) involution — undirected(1,3,4,7)(2,6,5,8)(9,11,12,15)(10,14,13,16)(17,20)(18,24)(19,28)(21,30)(22,27)(23,31)(25,29)(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.