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