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