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