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)(21,22,26,30)(23,31,32,27)(24,33,35,28)(25,29,34,36)(6,7)(10,11)(14,17)(18,20)(21,23,26,32)(22,27,30,31)(24,34,35,25)(28,36,33,29)(5,6,9,7)(8,10,12,11)(13,14,16,17)(15,18,19,20)(21,22)(23,27)(24,28)(25,29)(26,30)(31,32)(33,35)(34,36)(1,2)(3,4)(5,7,9,6)(8,11,12,10)(21,24,26,35)(22,28,30,33)(23,25,32,34)(27,29,31,36)(5,8)(6,10)(7,11)(9,12)(13,15)(14,18)(16,19)(17,20)(21,25)(22,29)(23,24)(26,34)(27,28)(30,36)(31,33)(32,35) 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.