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