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