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