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