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