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