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