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