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)(15,22)(16,29)(17,25)(18,24)(19,23)(20,28)(21,32)(26,40)(27,35)(30,38)(31,37)(33,39)(34,44)(36,41)(42,43)(5,7)(6,9)(8,12)(10,11)(13,15,18,28)(14,20,24,22)(16,26,31,42)(17,33,19,27)(21,34,38,36)(23,39,25,35)(29,43,37,40)(30,44,32,41)(2,4)(13,16,19,32,18,31,17,30)(14,21,25,29,24,38,23,37)(15,26,27,41,28,42,33,44)(20,34,35,43,22,36,39,40)(7,12)(9,11)(13,15)(14,22)(16,26)(17,33)(18,28)(19,27)(20,24)(21,36)(23,35)(25,39)(29,40)(30,44)(31,42)(32,41)(34,38)(37,43) involution — undirected(6,10)(9,11)(13,17,18,19)(14,23,24,25)(15,27,28,33)(16,30,31,32)(20,35,22,39)(21,37,38,29)(26,41,42,44)(34,43,36,40)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.