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