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