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