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