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