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