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