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