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)(19,25,27,22)(20,28)(21,24)(23,29)(26,30,32,31)(1,2)(3,7)(4,6)(5,8)(10,14)(11,12)(17,19)(18,22)(20,26)(21,27)(23,30)(24,25)(28,31)(29,32) involution — undirected(9,11,13,12)(10,15,14,16)(17,20,21,29)(18,23,24,28)(19,26,27,32)(22,30,25,31)(18,24)(22,25)(23,28)(30,31) 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.