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