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