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