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