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