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