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