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