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