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