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