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)(17,18,22,23,21,24,20,26)(19,25,29,30,28,31,27,32)(1,3)(2,5)(4,8)(6,7)(9,10)(11,13)(12,15)(14,16)(18,23)(19,27)(20,22)(24,26)(28,29)(30,32) involution — undirected(2,6)(5,7)(9,11,13,10)(12,15,16,14)(18,24)(19,28)(23,26)(27,29)(3,8)(5,7)(10,11)(14,15)(17,19,22,29,21,28,20,27)(18,25,23,30,24,31,26,32)(9,12,13,16)(10,14,11,15)(19,28)(25,31)(27,29)(30,32)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.