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