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