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