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