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