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