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