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