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