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