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