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