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