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