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