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