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