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