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