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