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