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