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