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