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