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