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