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