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