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