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