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)(17,18,23,25,22,28,21,27)(19,24,35,37,31,40,30,39)(20,26,36,41,33,43,34,44)(29,38,46,47,32,42,45,48)(1,3,5,8)(2,6,4,7)(9,10)(11,15)(12,14)(13,16)(17,19,22,31)(18,24,28,40)(20,32,33,29)(21,30,23,35)(25,37,27,39)(26,42,43,38)(34,46,36,45)(41,48,44,47)(1,2,5,4)(3,6,8,7)(9,11)(10,13)(12,16)(14,15)(18,25)(21,23)(24,37)(26,41)(27,28)(30,35)(34,36)(38,47)(39,40)(42,48)(43,44)(45,46)(1,4,5,2)(3,6,8,7)(11,16)(13,15)(17,20,22,33)(18,26,28,43)(19,29,31,32)(21,34,23,36)(24,38,40,42)(25,41,27,44)(30,45,35,46)(37,47,39,48)(10,14)(13,15)(20,33)(26,43)(29,32)(34,36)(38,42)(41,44)(45,46)(47,48) 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.