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)(15,24)(16,19)(17,30)(18,33)(20,26)(21,28)(22,32)(23,29)(25,37)(27,43)(31,40)(34,39)(35,41)(36,42)(38,44)(1,2)(3,4)(6,9)(7,12)(14,19)(20,35)(21,30)(22,36)(23,33)(24,37)(38,40)(39,43) involution — undirected(2,4)(13,15,16,25)(14,20,19,35)(17,31,28,44)(18,34,29,27)(21,37,30,24)(22,39,36,43)(23,40,33,38)(26,42,41,32)(5,7,8,12)(6,10,9,11)(14,21)(17,32)(18,29)(19,30)(20,37)(22,33)(23,36)(24,35)(26,31)(27,34)(28,42)(38,39)(40,43)(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.