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