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