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