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