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