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