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