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