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