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