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