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