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