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