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