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