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