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