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