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