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