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