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