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