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