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