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