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