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