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