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