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