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