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