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