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