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