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