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