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