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