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