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