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