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