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