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