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