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