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