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