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