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