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