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