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