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