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