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)(15,23,25,19)(17,21,27,34)(18,22,28,35)(24,39,41,32)(26,38,31,33)(29,36,40,44)(30,43,42,37)(6,9)(7,12)(15,24)(17,29)(18,28)(19,32)(21,36)(22,35)(23,39)(25,41)(26,42)(27,40)(30,31)(33,43)(34,44)(37,38) involution — undirected(2,4)(13,15,16,25)(14,19,20,23)(17,30,27,42)(18,31,28,26)(21,37,34,43)(22,38,35,33)(24,40,41,29)(32,44,39,36)(2,4)(5,7,8,12)(6,10,9,11)(14,20)(19,23)(21,34)(22,35)(32,39)(33,38)(36,44)(37,43)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.