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