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