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