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