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