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