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