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