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