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