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