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