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