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