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