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