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