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