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