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