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