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