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