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