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