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