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