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