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