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