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