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