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)(17,18,22,24)(19,23,25,20)(21,29,31,26)(27,28,30,32)(33,34,39,40)(35,43,44,41)(36,46,45,42)(37,38,47,48)(2,7)(4,13)(5,8)(11,14)(17,19)(18,23)(20,24)(21,30)(22,25)(26,28)(27,31)(29,32)(34,40)(35,44)(37,47)(42,46) involution — undirected(2,7)(3,10)(9,12)(11,14)(18,24)(19,25)(26,29)(27,30)(33,35,39,44)(34,41,40,43)(36,37,45,47)(38,46,48,42)(1,3,6,10)(2,8,7,5)(4,14,13,11)(9,15,12,16)(17,19)(18,23)(20,24)(21,27)(22,25)(26,32)(28,29)(30,31)(33,36,39,45)(34,42,40,46)(35,37,44,47)(38,43,48,41)(1,4,6,13)(2,9,7,12)(3,11,10,14)(5,15,8,16)(17,20,22,23)(18,25,24,19)(21,28,31,32)(26,30,29,27)(33,37)(34,38)(35,45)(36,44)(39,47)(40,48)(41,46)(42,43)(1,5,6,8)(2,10,7,3)(4,15,13,16)(9,14,12,11)(17,21,22,31)(18,26,24,29)(19,27,25,30)(20,28,23,32)(33,38)(34,37)(35,46)(36,43)(39,48)(40,47)(41,45)(42,44)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.