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