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