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)(19,26)(20,25)(21,29)(22,27)(23,28)(24,30)(31,32)(33,34,39,37)(35,40,41,36)(38,45,46,42)(43,44,48,47)(1,3,6,12)(2,7,8,11)(4,13,15,5)(9,16,14,10)(17,19)(18,24)(20,27)(21,31)(22,29)(23,30)(25,32)(26,28)(33,35)(34,40)(36,37)(38,43)(39,41)(42,47)(44,45)(46,48)(2,8)(7,11)(9,14)(10,16)(17,20,23,21)(18,25,28,29)(19,27,30,31)(22,24,32,26)(33,36,39,40)(34,41,37,35)(38,44,46,47)(42,48,45,43)(1,2)(3,11)(4,14)(5,10)(6,8)(7,12)(9,15)(13,16)(17,21,23,20)(18,25,28,29)(19,27,30,31)(22,26,32,24)(33,36)(34,35)(37,41)(38,44)(39,40)(42,43)(45,48)(46,47)(1,4,6,15)(2,9,8,14)(3,5,12,13)(7,10,11,16)(17,19)(18,26)(20,27)(21,31)(22,25)(23,30)(24,28)(29,32)(33,37,39,34)(35,40,41,36)(38,42,46,45)(43,44,48,47)(1,5)(2,10)(3,4)(6,13)(7,9)(8,16)(11,14)(12,15)(17,22)(18,27)(19,29)(20,24)(21,26)(23,32)(25,30)(28,31)(33,38)(34,42)(35,43)(36,44)(37,45)(39,46)(40,47)(41,48) 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.