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