One vertex per element, one color per generator, with an edge from x to x·s.
(1,2,4,5)(3,6,7,8)(17,18)(19,29)(20,24)(21,26)(22,39)(23,28)(25,32)(27,30)(31,44)(33,40)(34,41)(35,42)(36,43)(37,45)(38,48)(46,47)(2,5)(6,8)(9,10)(11,15)(12,14)(13,16)(17,19,30,34,23,32,22,20)(18,24,39,25,28,41,27,29)(21,35,47,33,37,31,38,36)(26,43,48,44,45,40,46,42)(1,3,4,7)(2,6,5,8)(9,11)(10,13)(12,16)(14,15)(17,20,22,32,23,34,30,19)(18,25,27,24,28,29,39,41)(21,36,38,31,37,33,47,35)(26,44,46,43,45,42,48,40)(11,16)(13,15)(17,21)(18,26)(19,31)(20,33)(22,38)(23,37)(24,40)(25,42)(27,46)(28,45)(29,44)(30,47)(32,35)(34,36)(39,48)(41,43) involution — undirected(10,14)(13,15)(21,37)(26,45)(31,35)(33,36)(38,47)(40,43)(42,44)(46,48) 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.