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