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