One vertex per element, one color per generator, with an edge from x to x·s.
(1,2,3,4)(5,6,12,16)(7,17,22,23)(8,11,15,10)(9,25,29,14)(13,21,18,20)(19,31,35,33)(24,28,32,27)(26,30,36,34)(5,7,10,20,12,22,11,21)(6,13,15,17,16,18,8,23)(9,26,27,35,29,36,28,19)(14,31,24,34,25,33,32,30)(5,8,11,16,12,15,10,6)(7,18,21,17,22,13,20,23)(9,24,27,25,29,32,28,14)(19,34,26,33,35,30,36,31)(5,9,11,27,12,29,10,28)(6,14,8,24,16,25,15,32)(7,19,21,26,22,35,20,36)(13,30,23,31,18,34,17,33)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.