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