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