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