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