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