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