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