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