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