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