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