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