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