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