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