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