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