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