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