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