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