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