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