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