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