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