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