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