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