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