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