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