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