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