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