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