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