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