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