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