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