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