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