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