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