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