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