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