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