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