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