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