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