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