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