One vertex per element, one color per generator, with an edge from x to x·s.
(2,4)(5,6)(7,9)(8,10)(11,12)(13,14,19,33,18,23,17,22)(15,24,26,20,28,35,27,36)(16,29,31,38,30,21,32,37)(25,40,43,44,41,39,42,34)(1,2)(3,4)(5,6)(7,11)(8,10)(9,12)(16,30)(21,29)(25,41)(31,32)(34,44)(37,38)(39,40)(42,43) involution — undirected(5,7,8,12)(6,9,10,11)(13,15)(14,20)(16,25)(17,26)(18,28)(19,27)(21,34)(22,35)(23,36)(24,33)(29,44)(30,41)(31,42)(32,43)(37,39)(38,40)(2,4)(7,12)(9,11)(13,16,18,30)(14,21,23,29)(15,25,28,41)(17,32,19,31)(20,34,36,44)(22,38,33,37)(24,39,35,40)(26,43,27,42)(6,10)(9,11)(13,17,18,19)(14,22,23,33)(15,26,28,27)(16,31,30,32)(20,35,36,24)(21,37,29,38)(25,42,41,43)(34,39,44,40)A 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.