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