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