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