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