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