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