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