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