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