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